diff --git a/utils/datasets.py b/utils/datasets.py
index 00ad081c..b0ca0694 100755
--- a/utils/datasets.py
+++ b/utils/datasets.py
@@ -194,11 +194,13 @@ def letterbox(img, height=416, color=(0, 0, 0)):  # resize a rectangular image t
     shape = img.shape[:2]  # shape = [height, width]
     ratio = float(height) / max(shape)  # ratio  = old / new
     new_shape = (round(shape[1] * ratio), round(shape[0] * ratio))
-    padw = (height - new_shape[0]) // 2  # width padding
-    padh = (height - new_shape[1]) // 2  # height padding
+    dw = (height - new_shape[0]) / 2  # width padding
+    dh = (height - new_shape[1]) / 2  # height padding
+    top, bottom = round(dh - 0.1), round(dh + 0.1)
+    left, right = round(dw - 0.1), round(dw + 0.1)
     img = cv2.resize(img, new_shape, interpolation=cv2.INTER_AREA)  # resized, no border
-    img = cv2.copyMakeBorder(img, padh, padh, padw, padw, cv2.BORDER_CONSTANT, value=color)  # padded square
-    return img, ratio, padw, padh
+    img = cv2.copyMakeBorder(img, top, bottom, left, right, cv2.BORDER_CONSTANT, value=color)  # padded square
+    return img, ratio, dw, dh
 
 
 def random_affine(img, targets=None, degrees=(-10, 10), translate=(.1, .1), scale=(.9, 1.1), shear=(-2, 2),